traders on the new york stock exchange are savoring a closing they haven't seen since late 2007. prices ended friday at a five year and one month high. positive corporate earnings reports the major companies in the financial and manufacturing sectors led the rally. the dow jones industrial average ended the day at 13,649, up 53 points. they also gave positive momentum. members of the house of representatives are considering raising the u.s. government's borrowing limits. china's economy is growing at a rate people in other countries can only envy. government leaders want to keep the growth going. but they may face a new obstacle, a shrinking work force.